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PCI: Add PCI_EXT_CAP_ID_PL_32GT define

Add the define for PCI_EXT_CAP_ID_PL_32GT for drivers that will want this
whilst doing Gen5/Gen6 accesses.

Link: https://lore.kernel.org/r/20230531095713.293229-1-ben.dooks@codethink.co.uk
Signed-off-by: Ben Dooks <ben.dooks@sifive.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

authored by

Ben Dooks and committed by
Bjorn Helgaas 0b3dee60 ac9a7868

+1
+1
include/uapi/linux/pci_regs.h
··· 738 738 #define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */ 739 739 #define PCI_EXT_CAP_ID_DLF 0x25 /* Data Link Feature */ 740 740 #define PCI_EXT_CAP_ID_PL_16GT 0x26 /* Physical Layer 16.0 GT/s */ 741 + #define PCI_EXT_CAP_ID_PL_32GT 0x2A /* Physical Layer 32.0 GT/s */ 741 742 #define PCI_EXT_CAP_ID_DOE 0x2E /* Data Object Exchange */ 742 743 #define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_DOE 743 744